Panchadasi, written in the Sanskrit Sloka-format, is a book of instruction for the followers of Vedanta who want to have a clear presentation of the truths of Advaita. It is an advanced introductory text intended either to unfold the entire subject of Vedanta necessary for attaining enlightenment or to serve as a foundation for further study of Vedanta. It is a standard text on the philosophy of the Vedanta. The author of this text, Swami Vidyaranya, also known as Bharatitiratha, is one of the most popular post-Shankara Advaitic thinker associated with the "Vivarana school", he presents very precise definitions of most important terms of Advaita.
Swami Vidyaranya, who was the spiritual head of Sringeri Math in 1377 A.D to 1386 A.D., and also wrote Drk-Drsya-Viveka, Sarvadarsana Samgraha, Sri Sankara Digvijaya, Jivanmukti Viveka, Anubhuti Prakasa, Vivaranaprameyasamgraha and Upanishad Dipika has been identified with Sayanacharya, the commentator on the Vedas, whose brother he most likely was.